题目列表(包括答案和解析)
A.There were 80 volunteers who took part in the study. |
B.The youngest volunteer was 19 and the oldest was 59. |
C.Some volunteers had babies at that time in the study. |
D.The volunteers were affected by the sound of a baby’s cry. |
A.a baby’s cry can get special attention from adults |
B.men and women have different reaction speed and accuracy |
C.adults without babies react less quickly to a baby’s cry |
D.women react to a baby’s cry more quickly than men |
A.one button | B.one of nine buttons |
C.nine buttons | D.ten buttons |
A.has the same pitch as birdsong |
B.is the noisiest sound there is |
C.can increase adults’ heart rate and blood pressure |
D.is good for its health |
A.taking care of the younger babies was the most important thing in the past |
B.human brains and bodies have developed to take care of babies |
C.baby cries are a good way make adults react quickly |
D.baby cries have developed a lot during the course of human evolution |
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—______is the Changjiang river in China, do you know?
—Yes, it’s about 6,380 kilometers long.
A. How many B. How wide C. How long D. How much
Electronic books have changed the way many people read for 15 . Now online textbooks are changing the way some students learn and some teachers teach.
More than 16 students go to the public schools in Fairfax County, Virginia, outside Washington. Last year, the school system used digital books in fifteen schools. This school year, middle schools and high schools changed 17 printed to electronic textbooks in their social studies classes.
“I mean, it’s just 18 a regular textbook, except it’s got it all online.” says Luke Rosa, a history teacher at Falls Church High School.
Peter Noonan, an assistant superintendent(主管) of schools says, “The world’s changing 19 . And the online textbooks can change right along with the events that 20 .”
“Digital books also cost 21 than printed textbooks,” he says, “Usually it’s between fifty and seventy dollars 22 a textbook for each student, which adds up to about eight million dollars for all of our students in Fairfax County. In fact, we have bought all of the online textbooks for our students for just under six million dollars.”
Social studies teacher Michael Bambara says the e-book he uses in his government class is better than a(an) 23 textbook. It has materials for students 24 different levels of reading skills…
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A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s disappointment,she said she would go. This 16 be the first time that his classmates and teacher 17 his mother and he felt ashamed of her 18 . Although she was a beautiful woman, there was a scar(疤痕)that 19 nearly the right side of her face. The boy never wanted to 20 why or how she got the scar.
At the meeting, the people were impressed by the kindness and natural beauty of his mother in spite of the scar, but the little boy was still 21 and hid himself from everyone, 22 a conversation between his mother and the teacher.
The teacher asked 23 ,“How did you get the scar on your face?”
The mother answered,“When my son was a baby, he was in a room that caught fire. Everyone was 24 afraid to go in because the fire was 25 ,so I went in. As I was running toward his bed, I saw a piece of wood coming down and I placed myself over him trying to protect him. I was knocked senseless but 26 , a fireman came in and saved both of us.” She touched(摸着) the 27 side of her face. “This scar will be 28 ,but to this day, I have never regretted what I did.”
At this point, the little boy came out running toward his mother with tears in his eyes. He held her mother in his arms and 29 a great sense of the sacrifice(牺牲)that his mother had made for him. He held her hand tightly for the 30 of the day.
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